H01B 7/2813
Protection against damage caused by electrical, chemical or water tree deterioration
Official title: {Protection against damage caused by electrical, chemical or water tree deterioration}
H01B7/2813 (Protection against damage caused by electrical, chemical or water tree deterioration) appears on 134 US grants and 98 published applications in this corpus.
Search patents in H01B- Granted patents
- 134
- Published applications
- 98
- Assignees
- 97
- Inventors
- 319
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 6 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 4 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 8 |
| 2014 | 3 | 9 |
| 2015 | 6 | 6 |
| 2016 | 5 | 4 |
| 2017 | 6 | 9 |
| 2018 | 4 | 6 |
| 2019 | 8 | 5 |
| 2020 | 6 | 6 |
| 2021 | 6 | 6 |
| 2022 | 5 | 7 |
| 2023 | 2 | 5 |
| 2024 | 7 | 4 |
| 2025 | 2 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Marine cable for offshore wind power having an improved water-tree property26 May 2026US 12,640,284 B2Ls Cable & System Ltd.
- Electrical cable that limits partial discharges17 Mar 2026US 12,580,099 B2Nexans
- Method for injecting strand-blocked cable3 Mar 2026US 12,567,521 B2Novinium, Inc.
- High-speed input/output and high-power transmission connector and cable2 Dec 2025US 12,488,914 B2
- Electrical cable for the aerospace field9 Sep 2025US 12,412,679 B2Nexans
- Improved method for manufacturing a medium- or high-voltage electric cable12 Mar 2026US 2026/0074093 A1Nexans
- Coaxial cable for nuclear power plant20 Nov 2025US 2025/0357021 A1Ls Cable & System Ltd.
- Method of Manufacturing a Wet or Semi-Wet Design High Voltage Submarine Power Cable25 Sep 2025US 2025/0299852 A1NKT HV Cables AB
- Electrically Insulated Conductors13 Feb 2025US 2025/0055341 A1Laird Technologies, Inc.
- Conductor insulation system with nanoparticle composite layer28 Nov 2024US 2024/0395440 A1Baker Hughes Oilfield Operations LLC
Most cited
By later US patents
- Electrical devices comprising polymeric insulating or semiconducting members306US 5,246,783 AExxon Chemical Patents Inc. · 1993
- Electric cable coated with polyolefin and polymer with ester and epoxy groups223US 6,436,536 B1Pirelli Cavi S.p.A. · 2002
- Foamed electrical wire and a method of producing the same208US 9,142,334 B2Furukawa Electric Co., Ltd. · 2015
- Electrical overstress protection material and process191US 4,726,991 AEOS Technologies Inc. · 1988
- Power cable with water swellable agents and elongated metal elements outside cable insulation67US 5,010,209 APirelli Cable Corporation · 1991